This report is a companion to a study that found that high school grade point average was a stronger predictor of performance in college-level English and math than were standardized exam scores among first-time students at the University of Alaska who enrolled directly in college-level courses. This report examines how well high school grade point average and standardized exam scores predict college grades by the urbanicity of students' hometown and timing of college entry. Among recent high...
Topics: ERIC Archive, Grade Point Average, College Students, Academic Achievement, High School Graduates,...
6
6.0
Feb 1, 2017
02/17
by
University of California
movies
eye 6
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University of California Television provides informational, educational, and enrichment television programming to the public and draws upon the vast intellectual, scientific, and creative talents of the University of California.
Topics: videobot, archiveteam, stream, live, livestream, UCSD-TV, TV, UCSD, university of california, UCTV,...
5
5.0
Feb 1, 2017
02/17
by
University of California
movies
eye 5
favorite 0
comment 0
University of California Television provides informational, educational, and enrichment television programming to the public and draws upon the vast intellectual, scientific, and creative talents of the University of California.
Topics: videobot, archiveteam, stream, live, livestream, UCSD-TV, TV, UCSD, university of california, UCTV,...
5
5.0
Feb 1, 2017
02/17
by
University of California
movies
eye 5
favorite 0
comment 0
University of California Television provides informational, educational, and enrichment television programming to the public and draws upon the vast intellectual, scientific, and creative talents of the University of California.
Topics: videobot, archiveteam, stream, live, livestream, UCSD-TV, TV, UCSD, university of california, UCTV,...
5
5.0
Feb 1, 2017
02/17
by
University of California
movies
eye 5
favorite 0
comment 0
University of California Television provides informational, educational, and enrichment television programming to the public and draws upon the vast intellectual, scientific, and creative talents of the University of California.
Topics: videobot, archiveteam, stream, live, livestream, UCSD-TV, TV, UCSD, university of california, UCTV,...
2
2.0
Jun 30, 2018
06/18
by
Yijin Pan; Cunhua Pan; Huiling Zhu; Qasim Zeeshan Ahmed; Ming Chen; Jiangzhou Wang
texts
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Device-to-device (D2D) assisted offloading heavily depends on the participation of human users. The content preference and sharing willingness of human users are two crucial factors in the D2D assisted offloading. In this paper, with consideration of these two factors, the optimal content pushing strategy is investigated by formulating an optimization problem to maximize the offloading gain measured by the offloaded traffic. Users are placed into groups according to their content preferences,...
Topics: Networking and Internet Architecture, Computing Research Repository
Source: http://arxiv.org/abs/1702.00209
3
3.0
Jun 30, 2018
06/18
by
Toshihiro Horii; Shinsuke Asaba; Kenji Hasegawa; Hiroyuki Tashiro
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eye 3
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A large fraction of baryons predicted from the standard cosmology has been missing observationally. Although previous numerical simulations have indicated that most of the missing baryons reside in large-scale filaments in the form of Warm Hot Intergalactic Medium (WHIM), it is generally very difficult to detect signatures from such a diffuse gas. In this work, we focus on the hyperfine transition of neutral hydrogen (HI) called 21-cm line as a tool to trace the WHIM. For the purpose, we first...
Topics: Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics, Astrophysics
Source: http://arxiv.org/abs/1702.00193
3
3.0
Jun 30, 2018
06/18
by
Jan Kunc; Petr Praus; Eduard Belas; Václav Dědič; Jakub Pekárek; Roman Grill
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We have modeled laser-induced transient current waveforms in radiation coplanar grid detectors. Poisson's equation has been solved by finite element method and currents induced by photo-generated charge were obtained using Shockley-Ramo theorem. The spectral response on a radiation flux has been modeled by Monte-Carlo simulations. We show 10$\times$ improved spectral resolution of coplanar grid detector using differential signal sensing. We model the current waveform dependence on doping,...
Topics: Physics, Instrumentation and Detectors
Source: http://arxiv.org/abs/1702.00212
3
3.0
Jun 30, 2018
06/18
by
Scott A. Hale; Irene Eleta
texts
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The number and quality of user reviews greatly affects consumer purchasing decisions. While reviews in all languages are increasing, it is still often the case (especially for non-English speakers) that there are only a few reviews in a person's first language. Using an online experiment, we examine the value that potential purchasers receive from interfaces showing additional reviews in a second language. The results paint a complicated picture with both positive and negative reactions to the...
Topics: Human-Computer Interaction, Computers and Society, Computing Research Repository, Computation and...
Source: http://arxiv.org/abs/1702.00210
1
1.0
Jun 30, 2018
06/18
by
J. Oppermann; J. Straubel; I. Fernandez-Corbaton; C. Rockstuhl
texts
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We propose a novel scheme to normalize scattering modes of the electromagnetic field. By relying on analytical solutions for Maxwell's equations in the homogenous medium outside the scatterer, we derive normalization conditions that only depend on the electromagnetic field on the surface of a sphere containing the scatterer. We pay special attention to the important cases of plane wave illumination and illumination with a multipolar field, for which an explicit and easy to use normalization...
Topics: Optics, Physics
Source: http://arxiv.org/abs/1702.00214
2
2.0
Jun 30, 2018
06/18
by
Riccarda Rossi; Giuseppe Savare'
texts
eye 2
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comment 0
This paper focuses on weak solvability concepts for rate-independent systems in a metric setting. Visco-Energetic solutions have been recently obtained by passing to the time-continuous limit in a time-incremental scheme, akin to that for Energetic solutions, but perturbed by a `viscous' correction term, as in the case of Balanced Viscosity solutions. However, for Visco-Energetic solutions this viscous correction is tuned by a fixed parameter $\mu$. The resulting solution notion is...
Topics: Analysis of PDEs, Mathematics
Source: http://arxiv.org/abs/1702.00136
1
1.0
Jun 30, 2018
06/18
by
M. Beccaria; A. A. Tseytlin
texts
eye 1
favorite 0
comment 0
We continue the investigation of the structure of the action for a tower of conformal higher spin fields in non-trivial 4d background metric recently discussed in arXiv:1609.09381. The action is defined as an induced one from path integral of a conformal scalar field in curved background coupled to higher spin fields. We analyse in detail the dependence of the quadratic part of the induced action on the spin 1 and spin 3 fields, determining the presence of a curvature-dependent mixed spin 1 -...
Topic: High Energy Physics - Theory
Source: http://arxiv.org/abs/1702.00222
5
5.0
Jun 30, 2018
06/18
by
Philip Massey; Emily Levesque; Kathryn Neugent; Kate Evans; Maria Drout; Madeleine Beck
texts
eye 5
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We summarize here recent work in identifying and characterizing red supergiants (RSGs) in the galaxies of the Local Group.
Topics: Astrophysics of Galaxies, Solar and Stellar Astrophysics, Astrophysics
Source: http://arxiv.org/abs/1702.00221
1
1.0
Jun 30, 2018
06/18
by
Anthony Joseph
texts
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The Kashiwara crystal $B(\infty)$ parametrizes a basis for the Verma module of a Kac-Moody algebra. It has a deep combinatorial structure which one seeks to understand. For each sequence $J$ of reduced decompositions of elements of the Weyl group $W$, it has a realization as a subset $B_J(\infty)$ of a crystal $B_J$ which as a set is just $J$ copies of the natural numbers. The goal is to determine $B_J(\infty)$ and in particular to show that it is a polyhedral subset of $B_J$. In earlier work...
Topics: Representation Theory, Mathematics
Source: http://arxiv.org/abs/1702.00243
2
2.0
Jun 30, 2018
06/18
by
S Konini; EJ Janse van Rensburg
texts
eye 2
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The sampling of scale-free networks in Molecular Biology is usually achieved by growing networks from a seed using recursive algorithms with elementary moves which include the addition and deletion of nodes and bonds. These algorithms include the Barabasi-Albert algorithm. Later algorithms, such as the Duplication-Divergence algorithm, the Sol\'e algorithm and the iSite algorithm, were inspired by biological processes underlying the evolution of protein networks, and the networks they produce...
Topics: Physics, Condensed Matter, Molecular Networks, Physics and Society, Disordered Systems and Neural...
Source: http://arxiv.org/abs/1702.00239
1
1.0
Jun 30, 2018
06/18
by
Ramin Mohammadkhani; Babak Abdollahipour; Mohammad Alidoust
texts
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We theoretically propose a graphene-based adiabatic quantum pump with intrinsic spin-orbit coupling (SOC) subject to strain where two time-dependent extrinsic spin-orbit coupled barriers drive spin and charge currents. We study three differing operation modes where i) location, ii) chemical potential, and iii) SOC of the two barriers oscillate periodically and out of phase around their equilibrium states. Our results demonstrate that the amplitude of adiabatically pumped currents highly depends...
Topics: Mesoscale and Nanoscale Physics, Condensed Matter
Source: http://arxiv.org/abs/1702.00246
3
3.0
Jun 30, 2018
06/18
by
Artur Alho; Claes Uggla
texts
eye 3
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We study flat FLRW $\alpha$-attractor $\mathrm{E}$- and $\mathrm{T}$-models by introducing a dynamical systems framework that yields regularized unconstrained field equations on two-dimensional compact state spaces. This results in both illustrative figures and a complete description of the entire solution spaces of these models, including asymptotics. In particular, it is shown that observational viability, which requires a sufficient number of $e$-folds, is associated with a solution given by...
Topics: General Relativity and Quantum Cosmology, Mathematical Physics, Astrophysics, Cosmology and...
Source: http://arxiv.org/abs/1702.00306
2
2.0
Jun 30, 2018
06/18
by
Lajos Soukup; Adrienne Stanley
texts
eye 2
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Every crowded space $X$ is ${\omega}$-resolvable in the c.c.c generic extension $V^{Fn(|X|,2})$ of the ground model. We investigate what we can say about ${\lambda}$-resolvability in c.c.c-generic extensions for ${\lambda}>{\omega}$? A topological space is "monotonically $\omega_1$-resolvable" if there is a function $f:X\to {\omega_1}$ such that $$\{x\in X: f(x)\ge {\alpha} \}\subset^{dense}X $$ for each ${\alpha}
Topics: Logic, General Topology, Mathematics
Source: http://arxiv.org/abs/1702.00326
2
2.0
Jun 30, 2018
06/18
by
Diego Ramos Canterle; Fábio Mariano Bayer
texts
eye 2
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This paper presents a new class of regression models for continuous data restricted to the interval $(0,1)$, such as rates and proportions. The proposed class of models assumes a beta distribution for the variable of interest with regression structures for the mean and dispersion parameters. These structures consider covariates, unknown regression parameters, and parametric link functions. Link functions depend on parameters that model the relationship between the random component and the...
Topics: Statistics, Methodology
Source: http://arxiv.org/abs/1702.00327
2
2.0
Jun 30, 2018
06/18
by
Thomas E. Ouldridge
texts
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Improved understanding of molecular systems has only emphasised the sophistication of networks within the cell. Simultaneously, the advance of nucleic acid nanotechnology, a platform within which reactions can be exquisitely controlled, has made the development of artificial architectures and devices possible. Vital to this progress has been a solid foundation in the thermodynamics of molecular systems. In this pedagogical review and perspective, I will discuss how thermodynamics determines...
Topics: Molecular Networks, Quantitative Biology, Statistical Mechanics, Condensed Matter
Source: http://arxiv.org/abs/1702.00360
1
1.0
Jun 30, 2018
06/18
by
Christoph Junghans; Animesh Agarwal; Luigi Delle Site
texts
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We discuss the computational performance of the adaptive resolution technique in molecular simulation when it is compared with equivalent full coarse-grained and full atomistic simulations. We show that an estimate of its efficiency, within $10-15\%$ accuracy, is given by the Amdahl's Law adapted to the specific quantities involved in the problem. The derivation of the predictive formula is general enough that it may be applied to the general case of molecular dynamics approaches where a...
Topics: Physics, Computational Physics
Source: http://arxiv.org/abs/1702.00296
1
1.0
Jun 30, 2018
06/18
by
Anne Zilles
texts
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The SLAC T-510 experiment was designed to reproduce the physics of radio emission from air showers caused by ultra-high energy cosmic rays in a controlled lab experiment with the goal to test established formalisms for simulation of radio emission physics: the "end-point" formalism and the "ZHS" formalism. Simulation results derived with these formalisms can be explained by a superposition of magnetically induced transverse current radiation and the Askaryan (charge-excess)...
Topics: Instrumentation and Methods for Astrophysics, Astrophysics
Source: http://arxiv.org/abs/1702.00314
3
3.0
Jun 30, 2018
06/18
by
Adriano Agnello; Huan Lin; L. Buckley-Geer; T. Treu; V. Bonvin; F. Courbin; C. Lemon; T. Morishita; A. Amara; M. W. Auger; S. Birrer; J. Chan; T. Collett; A. More; C. D. Fassnacht; J. Frieman; P. J. Marshall; R. G. McMahon; G. Meylan; S. H. Suyu; F. Castander; D. Finley; A. Howell; C. Kochanek; M. Makler; P. Martini; N. Morgan; B. Nord; F. Ostrovski; P. Schechter; D. Tucker; R. Wechsler; T. M. C. Abbott; F. B. Abdalla; S. Allam; A. Benoit-Lévy; E. Bertin; D. Brooks; D. L. Burke; A. Carnero Rosell; M. Carrasco Kind; J. Carretero; M. Crocce; C. E. Cunha; C. B. D'Andrea; L. N. da Costa; S. Desa; J. P. Dietrich; T. F. Eifler; B. Flaugher; P. Fosalba; J. García-Bellido; E. Gaztanaga; D. A. Goldstein; D. Gruen; R. A. Gruendl; J. Gschwend; G. Gutierrez; K. Honscheid; D. J. James; K. Kuehn; N. Kuropatkin; T. S. Li; M. Lima; M. A. G. Maia; M. March; J. L. Marshall; P. Melchior; F. Menanteau; R. Miquel; R. L. C. Ogando; A. A. Plazas; A. K. Romer; E. Sanchez; R. Schindler; M. Schubnell; I. Sevilla-Noarbe; M. Smith; R. C. Smith; F. Sobreira; E. Suchyta; M. E. C. Swanson; G. Tarle; D. Thomas; A. R. Walker
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We present gravitational lens models of the multiply imaged quasar DES J0408-5354, recently discovered in the Dark Energy Survey (DES) footprint, with the aim of interpreting its remarkable quad-like configuration. We first model the DES single-epoch $grizY$ images as a superposition of a lens galaxy and four point-like objects, obtaining spectral energy distributions (SEDs) and relative positions for the objects. Three of the point sources (A,B,D) have SEDs compatible with the discovery quasar...
Topics: Astrophysics of Galaxies, Astrophysics, Cosmology and Nongalactic Astrophysics
Source: http://arxiv.org/abs/1702.00406
1
1.0
Jun 30, 2018
06/18
by
Adam Woryna
texts
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The notion of an automaton over a changing alphabet $X=(X_i)_{i\geq 1}$ is used to define and study automorphism groups of the tree $X^*$ of finite words over $X$. The concept of bi-reversibility for Mealy-type automata is extended to automata over a changing alphabet. It is proved that a non-abelian free group can be generated by a two-state bi-reversible automaton over a changing alphabet $X=(X_i)_{i\geq 1}$ if and only if $X$ is unbounded. The characterization of groups generated by a...
Topics: Group Theory, Mathematics
Source: http://arxiv.org/abs/1702.00435
1
1.0
Jun 30, 2018
06/18
by
Jyotiranjan Beuria; AseshKrishna Datta; Dipsikha Debnath; Konstantin T. Matchev
texts
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We discuss the collider phenomenology of the model of Minimal Universal Extra Dimensions (MUED) at the Large hadron Collider (LHC). We derive analytical results for all relevant strong pair-production processes of two level 1 Kaluza-Klein partners and use them to validate and correct the existing MUED implementation in the fortran version of the PYTHIA event generator. We also develop a new implementation of the model in the C++ version of PYTHIA. We use our implementations in conjunction with...
Topic: High Energy Physics - Phenomenology
Source: http://arxiv.org/abs/1702.00413
1
1.0
Jun 30, 2018
06/18
by
Evan Bianchi; Jacob Elledge; Amit Kumar; Abhijit Majumder; Guang-You Qin; Chun Shen
texts
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We present the first attempt to extract the "$x$" dependence of the parton distribution function (PDF) of the quark gluon plasma (QGP). In the absence of knowledge regarding the mass of a QGP constituent, we define the new variable $x_N$, the nucleonic momentum fraction, which represents the ratio of the momentum of the parton to that of a self-contained section of the plasma that has the mass of a nucleon. Calculations are compared to data for single hadron suppression in terms of...
Topics: Nuclear Theory, Nuclear Experiment, High Energy Physics - Phenomenology
Source: http://arxiv.org/abs/1702.00481
1
1.0
Jun 30, 2018
06/18
by
Andrew D. Gasbarro; George T. Fleming
texts
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We report on an investigation into the low energy dynamics of walking gauge theory. Taking $SU(3)$ Yang Mills with eight flavors of fundamental fermions as an example, we discuss the light flavor singlet scalar appearing in the spectrum and its implications for low energy physics. We compute the maximal isospin $\pi\pi$ scattering length at the lightest quark masses yet investigated for the eight flavor theory. The validity of chiral perturbation theory is assessed, and we discuss motivations...
Topics: High Energy Physics - Lattice, High Energy Physics - Phenomenology
Source: http://arxiv.org/abs/1702.00480
2
2.0
Jun 30, 2018
06/18
by
D. J. P. de Sousa; Andrey Chaves; J. M. Pereira; G. A. Farias
texts
eye 2
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comment 0
We theoretically study a current switch that exploits the phase acquired by a charge carrier as it tunnels through a potential barrier in graphene. The system acts as an interferometer based on an armchair graphene quantum ring, where the phase difference between interfering electronic wave functions for each path can be controlled by tuning either the height or the width of a potential barrier in the ring arms. By varying the parameters of the potential barriers the interference can become...
Topics: Mesoscale and Nanoscale Physics, Condensed Matter
Source: http://arxiv.org/abs/1702.00469
1
1.0
Jun 30, 2018
06/18
by
P. D. Gujrati
texts
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Nonequilibrium work-Hamiltonian connection for a microstate plays a central role in diverse branches of statistical thermodynamics (fluctuation theorems, quantum thermodynamics, stochastic thermodynamics, etc.). We show that the change in the Hamiltonian for a microstate should be identified with the work done by it, and not the work done on it. This contradicts the current practice in the field. The difference represents a contribution whose average gives the work that is dissipated due to...
Topics: Statistical Mechanics, Condensed Matter
Source: http://arxiv.org/abs/1702.00455
3
3.0
Jun 30, 2018
06/18
by
P. A. González; Eleftherios Papantonopoulos; Joel Saavedra; Yerko Vásquez
texts
eye 3
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We study the instability of near extremal and extremal four-dimensional AdS charged hairy black hole to radial neutral massive and charged massless scalar field perturbations. We solve the scalar field equation by using the improved asymptotic iteration method and the time domain analysis and we find the quasinormal frequencies. For the charged scalar perturbations, we find the superradiance condition by computing the reflection coefficient in the low-frequency limit and we show that in the...
Topics: General Relativity and Quantum Cosmology, High Energy Physics - Theory
Source: http://arxiv.org/abs/1702.00439
1
1.0
Jun 30, 2018
06/18
by
Léo Miolane
texts
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favorite 0
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We consider the high-dimensional inference problem where the signal is a low-rank matrix which is corrupted by an additive Gaussian noise. Given a probabilistic model for the low-rank matrix, we compute the limit in the large dimension setting for the mutual information between the signal and the observations, as well as the matrix minimum mean square error, while the rank of the signal remains constant. This allows to locate the information-theoretic threshold for this estimation problem, i.e....
Topics: Probability, Mathematics
Source: http://arxiv.org/abs/1702.00473
1
1.0
Jun 30, 2018
06/18
by
Miqing Li; Xin Yao
texts
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favorite 0
comment 0
One of the most common approaches for multiobjective optimization is to generate a solution set that well approximates the whole Pareto-optimal frontier to facilitate the later decision-making process. However, how to evaluate and compare the quality of different solution sets remains challenging. Existing measures typically require additional problem knowledge and information, such as a reference point or a substituted set of the Pareto-optimal frontier. In this paper, we propose a quality...
Topics: Optimization and Control, Neural and Evolutionary Computing, Computing Research Repository,...
Source: http://arxiv.org/abs/1702.00477
2
2.0
Jun 30, 2018
06/18
by
Prashant Shekhar; Marek Malac; Vaibhav Gaind; Neda Dalili; Al Meldrum; Zubin Jacob
texts
eye 2
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Strong nanoscale light-matter interaction is often accompanied by ultra-confined photonic modes and large momentum polaritons existing far beyond the light cone. A direct probe of such phenomena is difficult due to the momentum mismatch of these modes with free space light however, fast electron probes can reveal the fundamental quantum and spatially dispersive behavior of these excitations. Here, we use momentum-resolved electron energy loss spectroscopy (q-EELS) in a transmission electron...
Topics: Optics, Physics, Mesoscale and Nanoscale Physics, Condensed Matter
Source: http://arxiv.org/abs/1702.00491
2
2.0
Jun 30, 2018
06/18
by
Konduri Aditya; Diego A. Donzis
texts
eye 2
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comment 0
Synchronizations of processing elements (PEs) in massively parallel simulations, which arise due to communication or load imbalances between PEs, significantly affect the scalability of scientific applications. We have recently proposed a method based on finite-difference schemes to solve partial differential equations in an asynchronous fashion -- synchronization between PEs is relaxed at a mathematical level. While standard schemes can maintain their stability in the presence of asynchrony,...
Topics: Physics, Computational Physics
Source: http://arxiv.org/abs/1702.00496
1
1.0
Jun 30, 2018
06/18
by
Davood Bakhshesh; Mohammad Farshi; Mahdieh Hasheminezhad
texts
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favorite 0
comment 0
Let $G=(V, E)$ be a simple and undirected graph. For some integer $k\geq 1$, a set $D\subseteq V$ is said to be a k-dominating set in $G$ if every vertex $v$ of $G$ outside $D$ has at least $k$ neighbors in $D$. Furthermore, for some real number $\alpha$ with $0
Topics: Mathematics, Computational Complexity, Computing Research Repository, Combinatorics
Source: http://arxiv.org/abs/1702.00533
4
4.0
Jun 30, 2018
06/18
by
Ling-Jun Kong; Herbert Crepaz; Agnieszka Górecka; Aleksandra Urbanek; Rainer Dumke; Tomasz Paterek
texts
eye 4
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comment 0
We present a quantitative method, utilising a highly sensitive quantum sensor, to determine dynamics of magnetic materials in biological samples at room temperature. The method is applied to American cockroaches and reveals magnetic deposits with strikingly different behaviour in alive and dead insects. The observed dynamics allows for determination of physical properties of the sub-micron size deposits and matter around them despite their small volumes. Our work fills the gap between...
Topics: Physics, Biological Physics
Source: http://arxiv.org/abs/1702.00538
1
1.0
Jun 30, 2018
06/18
by
Zachary K. Pecenak; Jan Kleissl; Vahid Rasouli Disfani
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favorite 0
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The impacts of high PV penetration on distribution feeders have been well documented within the last decade. To mitigate these impacts, interconnection standards have been amended to allow PV inverters to regulate voltage locally. However, there is a deficiency of literature discussing how these inverters will behave on real feeders under increasing PV penetration. In this paper, we simulate several deployment scenarios of these inverters on a real California distribution feeder. We show that...
Topics: Systems and Control, Computing Research Repository
Source: http://arxiv.org/abs/1702.00527
1
1.0
Jun 30, 2018
06/18
by
Alvar Daza; Bertrand Georgeot; David Guéry-Odelin; Alexandre Wagemakers; Miguel A. F. Sanjuán
texts
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We use tools from nonlinear dynamics to the detailed analysis of cold atom experiments. A powerful example is provided by the recent concept of basin entropy which allows to quantify the final state unpredictability that results from the complexity of the phase space geometry. We show here that this enables one to reliably infer the presence of fractal structures in phase space from direct measurements. We illustrate the method with numerical simulations in an experimental configuration made of...
Topics: Quantum Gases, Condensed Matter, Physics, Nonlinear Sciences, Statistical Mechanics, Optics,...
Source: http://arxiv.org/abs/1702.02441
4
4.0
Jun 30, 2018
06/18
by
T. Trost; S. Lautenbach; R. Grauer
texts
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Many phenomena in collisionless plasma physics require a kinetic description. The evolution of the phase space density can be modeled by means of the Vlasov equation, which has to be solved numerically in most of the relevant cases. One of the problems that often arise in such simulations is the violation of important physical conservation laws. Numerical diffusion in phase space translates into unphysical heating, which can increase the overall energy significantly, depending on the time scale...
Topics: Plasma Physics, Physics, Fluid Dynamics, Computational Physics
Source: http://arxiv.org/abs/1702.00367
1
1.0
Jun 30, 2018
06/18
by
Alessandro Montino; Antonio DeSimone
texts
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The three-sphere swimmer by Najafi and Golestanian is composed of three spheres connected by two arms. The case in which the swimmer can control the lengths of the two arms has been studied in detail. Here we study a variation of the model in which the swimmer's arms are constructed according to Hill's model of muscular contraction. The swimmer is able to control the tension developed in the active components of the arms. The two shape parameters and the tensions acting on the two arms are then...
Topics: Physics, Biological Physics
Source: http://arxiv.org/abs/1702.00365
3
3.0
Jun 30, 2018
06/18
by
Fabian Ruehle; Clemens Wieck
texts
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We study the consistency of large-field inflation in low-energy effective field theories of string theory. In particular, we focus on the stability of K\"ahler moduli in the particularly interesting case where the non-perturbative superpotential of the K\"ahler sector explicitly depends on the inflaton field. This situation arises generically due to one-loop corrections to the instanton action. The field dependence of the modulus potential feeds back into the inflationary dynamics,...
Topics: High Energy Physics - Theory, High Energy Physics - Phenomenology, Cosmology and Nongalactic...
Source: http://arxiv.org/abs/1702.00420
1
1.0
Jun 30, 2018
06/18
by
Philip Trautmann; Boris Vexler; Alexander Zlotnik
texts
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comment 0
This work is concerned with the optimal control problems governed by the 1D wave equation with variable coefficients and the control spaces $\mathcal M_T$ of either measure-valued functions $L^2(I,\mathcal M(\Omega))$ or vector measures $\mathcal M(\Omega,L^2(I))$. The cost functional involves the standard quadratic terms and the regularization term $\alpha\|u\|_{\mathcal M_T}$, $\alpha>0$. We construct and study three-level in time bilinear finite element discretizations for the problems....
Topics: Optimization and Control, Numerical Analysis, Mathematics
Source: http://arxiv.org/abs/1702.00362
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19
Feb 20, 2017
02/17
by
Crustlandia
movies
eye 19
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comment 0
Inherit The Wasteland 1.1 “Welcome to the Wasteland” (extended trailer) Initially intended to be a trailer, it runs a bit long, so we are now calling it episode 1
Topics: abandoned, urbex, urban exploration
4
4.0
Dec 17, 2017
12/17
by
CC4
movies
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Affect & Inquiry is a three-day 2014 symposium that takes stock of critical inquiry in relation to affect studies. Here, Brenton Malin, Maria Fackler, Patrick Grzanka, and Timothy Yaczo talk about subjects based on the theme of Flattening Sensations?: Science/Technology/Affrect. Alex Lockwood of Newcastle University, UK, is the moderator.
Topics: Iowa, Iowa City, citychannel4, CC4, Government Access TV, Community Media, PEG, Youtube, Affect and...
1
1.0
Feb 8, 2017
02/17
by
Wikimedia projects editors
web
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This is the full database dump of the Hungarian Wikipedia that is generated by the Wikimedia Foundation on February 01, 2017.
Topics: wiki, dumps, data dumps, huwiki, Hungarian, Wikipedia
City of Columbia District IV Councilman Daniel J. Rickenmann outlines the second focus area of the #EnvisionColumbia Vision Statement, "Planning Together." This area focuses on offering superior, cost effective basic services to citizens and businesses with a well-balanced, growing tax base. The success of this new government is largely the result of engaged citizens and visionary leaders. For more information about the #EnvisionColumbia Vision Statement, please visit our website at...
Topics: Columbia, South Carolina, City of Columbia Government, Government Access TV, Community Media, PEG,...
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64
movies
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A look at the latest news and headlines of the day features discussions of politics and culture, analysis of political correctness in "Campus Craziness" and reports on social media in "Tucker's TwitterStorm."
Topics: tucker, gorsuch, neil gorsuch, trump, jeanette, antonin scalia, donald trump, credit karma, obama,...
Source: Comcast Cable
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27
movies
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The Health, Education, Labor and Pensions Committee voted 12-11 to send to the Senate for a full confirmation vote Betsy DeVos's nomination for secretary of education in the Trump administration. Sponsor: Senate Health, Education, Labor and Pensions Committee
Topics: murray, mrs. devos, obama, betsy devos, washington, kaine, whitehouse, warren, arne duncan, merrick...
Source: Comcast Cable
6
6.0
movies
eye 6
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A news program based on current affairs that is broadcasted from Germany.
Topics: Journal, Television Program
Source: Comcast Cable
6
6.0
movies
eye 6
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A news program based on current affairs that is broadcasted from Germany.
Topics: Journal, Television Program
Source: Comcast Cable
